package com.zoro.barn.commons.webcommons.response.advice;

import com.zoro.barn.commons.webcommons.response.advice.annotations.UnFormatData;
import com.zoro.barn.commons.webcommons.response.entity.BarnResponseEntity;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

/**
 * @author zhaoxingwu
 */
public class ResponseDataAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return !returnType.hasMethodAnnotation(UnFormatData.class)
                && !(BarnResponseEntity.class.isAssignableFrom(returnType.getParameterType()));
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<?
            extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request,
                                  ServerHttpResponse response) {
        if (body instanceof BarnResponseEntity) {
            return body;
        }
        return new BarnResponseEntity<>(body);
    }
}
